# Scope of This Document

**Authentication & Session Management**

* Standard login with email/password
* OTP-based login with phone verification
* Logout functionality
* Passwordless login with tokens

**Password Management**

* Password set (for new users without password)
* Password reset via email
* Password reset via phone/SMS
* Password change (authenticated users)
* Password set with SMS OTP verification

**Order Management (Authenticated Users)**

* List user orders
* Retrieve order details
* Order cancellation information
* Old/archived orders retrieval

**Order Management (Anonymous/Guest Users)**

* Query orders by order number and email
* Cancel orders without authentication
* Bulk cancellation requests

**Subscription Hooks**

* Unsubscribe users from communications
* KVKK-compliant unsubscription

**Trade-in Operations**

* Approve trade-in for order items
* Reject trade-in for order items